220259960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{7723}}^1$

素因数の和:7788

約数の個数: 64

約数和(自身を含む): 533882880

約数和(自身を除く): 313622920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 620, 713, 920, 1240, 1426, 2852, 3565, 5704, 7130, 7723, 14260, 15446, 28520, 30892, 38615, 61784, 77230, 154460, 177629, 239413, 308920, 355258, 478826, 710516, 888145, 957652, 1197065, 1421032, 1776290, 1915304, 2394130, 3552580, 4788260, 5506499, 7105160, 9576520, 11012998, 22025996, 27532495, 44051992, 55064990, 110129980, 220259960]

約数ペア:

[(1, 220259960), (2, 110129980), (4, 55064990), (5, 44051992), (8, 27532495), (10, 22025996), (20, 11012998), (23, 9576520), (31, 7105160), (40, 5506499), (46, 4788260), (62, 3552580), (92, 2394130), (115, 1915304), (124, 1776290), (155, 1421032), (184, 1197065), (230, 957652), (248, 888145), (310, 710516), (460, 478826), (620, 355258), (713, 308920), (920, 239413), (1240, 177629), (1426, 154460), (2852, 77230), (3565, 61784), (5704, 38615), (7130, 30892), (7723, 28520), (14260, 15446)]